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Patent Searching and Data


Title:
PINCH VALVE
Document Type and Number:
WIPO Patent Application WO/2002/103230
Kind Code:
A1
Abstract:
A pinch valve, comprising a cylinder body, a tubular handle screwed into the cylinder body, a lock nut screwed onto the tubular handle between the handle and the cylinder body, a connection bar with a spring retainer at a bottom end slidably installed inside the cylinder body and the handle, a spring disposed between the handle and the spring retainer, a piston in contact with the lower surface of the spring retainer and sliding inside the cylinder body, a pinching element installed at the bottom end of the connection part of the piston, and a body storing an elastic tube body and installed on the underside of the cylinder body, wherein the pinching element presses the tube body by the force of the spring to close the valve, and air is pressuringly led between the piston and the cylinder body to open the valve.

Inventors:
FURUKAWA SHIGENOBU (JP)
Application Number:
PCT/JP2002/005870
Publication Date:
December 27, 2002
Filing Date:
June 12, 2002
Export Citation:
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Assignee:
ASAHI ORGANIC CHEM IND (JP)
FURUKAWA SHIGENOBU (JP)
International Classes:
F16K7/06; F16K7/07; (IPC1-7): F16K7/07
Foreign References:
JPS453264Y11970-02-13
JPS5442016Y21979-12-07
JPS4411585Y11969-05-14
JPS5148557Y21976-11-22
JP3049069B22000-06-05
Attorney, Agent or Firm:
Ishida, Takashi (ISHIDA & ASSOCIATES Toranomon 37 Mori Bldg. 5-, Toranomon 3-chome Minato-ku Tokyo, JP)
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